US431ALCS UNISEM [UNISEM], US431ALCS Datasheet
US431ALCS
Manufacturer Part Number
US431ALCS
Description
LOW -VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR
Manufacturer
UNISEM [UNISEM]
Datasheet
1.US431ALCS.pdf
(6 pages)
FEATURES
APPLICATIONS
TYPICAL APPLICATION
Rev. 1.2
5/11/98
FEATURES
APPLICATIONS
TYPICAL APPLICATION
PACKAGE ORDER INFORMATION
PACKAGE ORDER INFORMATION
SOT23-5 package
0.5% Voltage Reference Initial Accuracy
(US431AL)
Low Operational Cathode Current
(80 uA max)
Unconditionally Stable with only 1uF
Adjustable Output from 1.24V to 6V
0.25 Typical Output Impedance
Pin to Pin Compatible with TLV431
Precision Voltage Reference
Linear Regulator Controller
Secondary Side Controller for the Low Voltage
Power Supply Applications
Vo
Vref
0 TO 70
0 TO 70
Ta (°C)
1
Typical application of the US431L as a shunt regulator / voltage reference.
R
R
1
2
431app1-1.0
V
IN
US431ALCL
US431LCL
US431
SOT23-5
5 LEAD
R
B
PRECISION SHUNT REGULATOR
DESCRIPTION
DESCRIPTION
The US431L product is a 3 terminal adjustable shunt
regulator that can also be used as a precision voltage
reference. Its output voltage may be set to any value
between Vref(1.24V) and 6V with two external resistors
as shown in the typical application circuit. Other appli-
cations of this device include the use as a merged am-
plifier and reference in applications such as Linear regu-
lator or as the secondary side controller in low voltage
power supply applications. The US431L only requires
80uA maximum quiescent current before regulating,
making it ideal as a voltage reference for battery type
applications.
3 PIN PLASTIC
US431ALCZ
US431LCZ
R1
R2
LOW -VOLTAGE ADJUSTABLE
TO-92
Co
V
O
8 PIN PLASTIC
US431ALCS
PRELIMINARY DATASHEET
US431LCS
US431L/431AL
SOIC
2-1
Related parts for US431ALCS
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
5 BIT PROGRAMMABLE SYNCHRONOUS BUCK CONTROLLER IC WITH DUAL LDO CONTROLLER
Manufacturer:
UNISEM [UNISEM]
Datasheet:
Part Number:
Description:
5 BIT PROGRAMMABLE SYNCHRONOUS BUCK CONTROLLER IC
Manufacturer:
UNISEM [UNISEM]
Datasheet:
Part Number:
Description:
1A LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR
Manufacturer:
UNISEM
Datasheet:
Part Number:
Description:
1A LOW DROPOUT POSITIVE FIXED OUTPUT REGULATOR
Manufacturer:
UNISEM
Datasheet:
Part Number:
Description:
DUAL 6A AND 1A LOW DROPOUT POSITIVE FIXED OUTPUT REGULATOR
Manufacturer:
UNISEM
Datasheet:
Part Number:
Description:
PWM SWITCHER & LINEAR CONTROLLER IC
Manufacturer:
UNISEM
Datasheet:
Part Number:
Description:
8 PIN PWM SWITCHER CONTROLLER IC
Manufacturer:
UNISEM
Datasheet: